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Ever wonder what's in that barcode on the back of your driver's license? I just got a new toy that I'm playing around with, and I'd like to incorporate A5 to allow me to use it for something useful.
It's a Handheld 2D Barcode Scanner, and I want to use it to scan the barcode on the back of a driver's license, then populate forms with the resulting data. I'm using a special 'sample' Maryland driver's license for testing, but it conforms to the AAMVA standards for universal license data coding. (In other words, it should pretty much work the same way on a license from any state using the AAMVA format.) So what's in the that funny looking barcode?
Rich, For this application, it looks like the best approach would be to scan it into a text area, then parse it with extract_string(). So, for example, if the bar code was read into a variable named BarCodeText, you could have: vAddress = extract_string(BarCodeText,'DAG','DAI') Then, as Mauricio suggested, for the name, you could use the word() to break that up The only issue I see is if the street name is Adai street, or if the person is named Dagwood. To handle that, you could use the occurs() function to check how may times it appears. So if 'DAG' appears twice, then you know there could be a problem. Hi Rich, Parsing a barcode, yours included, is relatively trivial. There are a myriad of character parsing functions that are usable in Alpha, and there is nothing special here.
The real issue, is that a barcode scanner will scan the data into where ever the cursor is. If the cursor is not where you need data, the barcode characters will be entered wherever it is. If you could get the cursor to move to a particular field or dialog box 1st, then the data entered can be used to fill in data or invoke a find, or whatever you needed to be done. This is exactly what my does for the desktop side.
Using a cool little program I dug up on the web, and a scanner I was able to decode the barcodes on the back of my NY drivers license, and find out what information people get when they scan it. I'm pretty sure. Open swipe toolkit pdf417 barcode reader, available to download in the last step, and load your barcode into it.
Well thanks to the input from everyone, I'm getting closer. I'm trying Pat's suggestion of the 'exact_string' expression, and it seems to parse all of the fields correctly, but I'm running into a weird problem that I'm hoping someone might have an answer to. One of the parsed fields is called 'DBB_DOB,' and it results in a character string date of the person's date of birth. Next to it, I created another field called 'DOB,' and I'm using the below expression to convert the string to a 'normal' type date: DATE_VALUE(VAL(LEFT(DBB_DOB,4)),VAL(SUBSTR(DBB_DOB,5,2)),VAL(SUBSTR(DBB_DOB,7,2))) Again, it works correctly, and the DBB_DOB string of 19560115 converts correctly to, but when I try to start a new record, I immediately get an error message that says: 'MONTH IS OUT OF RANGE.' Then if I try to close out of the table or delete that record, I get another message that says 'ENTER MUST BEGIN FIRST.'
And then I'm stuck, because it won't go past that point. When that happens, the only way to get out of the table is to forcibly close out of the program. The expression to convert the date seems to be working correctly, so I don't know why it keeps saying that the month is out of range, but if I get rid of the expression, the errors go away.
Richard EDIT: I see you got it working already. Strange that stod() is not throwing an error for you. When you start a new record the DBB_DOB field is empty. This results in zeros being passed into the Date_Value function.
I was going to suggest the STOD() function instead but it to throws an error with an empty string and also with a string of 10 spaces. Instead of having two fields I would have only the date type. Creative Sb0770 Driver Windows 7 64 Bit. Convert the barcode text data to a date using stod() as part of your parsing process. That way the actual DOB field does not need to be any type of calculation. Hi Tim, Well I think the problem was related more to the character date field than to the expression. I thought that using STOD() had solved the problem, but as it turns out, it didn't, it just made for a shorter, neater expression.
This is how I fixed it, although I'm not quite sure what the cause was. My character date field has an expression that parses the date from the long barcode string: EXTRACT_STRING(MEMO,'DBB','DB') Which results in (for example) 19840117 in a field called 'DBB_DOB' Whenever I try to convert that field to a date field by either my original expression or the STOD(DBB_DOB) expression, I get the 'Month is out of range' error message when I try to exit the table. So as a test, I created a second character date field, and used the simple expression (DBB_DOB) to copy the contents of the first character date field into this one, and called it 'DBB_DOB2.' Then I used the STOD(DBB_DOB2) to convert that field's contents to an actual date (), and it works with no errors. Now you are suggesting that I go directly from the long barcode string to the actual date field, but I'm not sure how to do that, or how the expression will know where to find the character date, but maybe you can elaborate.
I do know it's between DBB and DBC in the original barcode text string if that helps. So now that I know all this, I'm looking for a simple (if possible) way to scan it to a field on a web page, then upon clicking submit, having the data parsed correctly into separate fields for use on that particular web form.Are you still doing that. Can you elaborate a bit on your process. I am guessing you are scanning into a memo field??? Then what is your parsing process. Is it a script of some sort or are you using calculated fields? If I was doing this on the desktop I would have a script that takes the whole set of data and for each field I want to fill find the data and convert it into the data type of that field.
Tim I haven't got it working on the web yet, right now I'm just trying to get all the parsing correct. And yes, at the moment I am just scanning the long text string into a memo field, and using the 'extract_string(BarCodeText,'XXX','XXX')' expression in each of the parsed fields to pull the correct data, and that seems to be working just fine. My original goal was to have a separate web screen (maybe a popup) just for scanning the data into, then when the submit button was pressed, it would parse the data into the correct fields (on the back end), which could then be pulled into any form that had the need for that data. It would be nice to be able to skip the first part of this and have the data go directly into the form that requires it, but since everything I'm doing is web based, I don't see an easy way to accomplish that. Ira has a neat barcode program for desktop applications, but he said it would be somewhat complicated to do in a web browser, since it would vary depending on which browser the client was using.
Tim here's what I'm doing: I have a memo field that takes the following barcode data, and parses it out using calculated fields - AAMVADL00290197DLDAQS-542-738-870-099 DAASMITH,RICHARD,JOHN,JR DAG26 SAMANTHA CT DAITAKOMA PARK DAJMD DAK20912 DARC DAS DAT DAU600 DAW167 DBA20110124 DBB19820124 DBC1 DBD20051126 DBHN Each field is delimited by the first three charcters. The 'DBB' string is the person's DOB, which in this case is. Presently I'm using the following expression to parse out the date string: EXTRACT_STRING(MEMO,'DBB','DB') This gives me '19820124' as a character field, which I call 'DBB_DOB.' Then I was using a separate (date) field to convert the character string to the actual date: STOD(DBB_DOB) = This works as I said earlier, but as soon as I try to enter a new record, I get an error message because as you said, the character string for the date field hasn't been created yet, and as such it throws the record into a crazy loop which gives an error message of 'MONTH IS OUT OF RANGE,' then 'ENTER MUST BEGIN FIRST,' and stays the way until I force the program to close.
Now you suggested that I parse out the character date string and convert it to a regular date all at one time, but I'm not sure what the expression would look like to do that. Could you show me how? Everything else about this application is working correctly except for this date issue, so if I can get this working I'll be finished. Stan thanks for replying so fast, but I'm not really sure what you are telling me?
I'm familiar with the STOD() function, and as listed above, I am using it to convert my parsed character string into an actual date. The problem is that it is causing errors at the end of the record, and Tim was suggesting that I parse the character string from the barcode data AND convert it to an actual date all at one time, but I don't understand how to do that. That's what I'm looking for assistance with. I assume it would be some sort of a nested expression, but I've been playing around with it for hours and I can't figure out how to make it work. Hi Tim Your expression works correctly, however now another weird thing is happening. Bestsync 2015 Serial Key.
If I enter the barcode scan data directly into record via browse, the DOB calculation works fine. But if I enter it via the web page, as soon as I hit the submit button, I get an error message on the DOB field, that says 'CAN'T PUT TO CALCULATED FIELD.' Any thoughts? BTW, here's the link to the form: If you want to see what I'm getting, manually paste the following data into the memo field and hit the submit button: AAMVADL00290197DLDAQS-542-738-870-099 DAASMITH,RICHARD,WELLINGTON,JR DAG26 SAUCER CT DAITAKOMA PARK DAJMD DAK20912 DARC DAS DAT DAU600 DAW167 DBA20110124 DBB19820124 DBC1 DBD20051126 DBHN. Hi Tim Your expression works correctly, however now another weird thing is happening. If I enter the barcode scan data directly into record via browse, the DOB calculation works fine. But if I enter it via the web page, as soon as I hit the submit button, I get an error message on the DOB field, that says 'CAN'T PUT TO CALCULATED FIELD.'
Hey Tim just wanted to let you know that your expression is working perfectly. I don't know what was causing the above error message, but I fixed it by rebuilding the grid. I have another question regarding parsing that I was hoping someone could shed some light on. Sample barcode extract into memo field: AAMVADL00290197DLDAQS-542-738-870-099 DAASMITH,RICHARD,WELLINGTON,JR DAG 26 SAUCER CT DAITAKOMA PARK DAJMD DAK20912 DARC DAS DAT DAU600 DAW167 DBA20110124 DBB19820124 DBC1 DBD20051126 DBHN Presently I'm using the expression of (for example): EXTRACT_STRING(MEMO,'DAG','DAI') to parse the address from the memo field and similar expressions to parse the other data. This works fine as long as the next field starts with the delimiter of 'DAI,' which it always does in Maryland. But I just found out that other states layout their data differently. They still use the same delimiters, as that is based on a national standard, but the data doesn't always flow the same way.
For example, in one state, the address field is followed by the Organ Donor field. The delimiter for the Organ Donor field is DBH. Obviously this causes a problem with the 'Exact String' expression because it is looking for DAI as the end point, now it does not follow DAG. So my question is this: There is a set maximum number of characters that can be used in each field, so that will never change and that being the case, is there a similar expression I could use that would still parse the data from the set delimiters of 'DAG,' 'DAS,' etc., but instead of using the next text delimiter to indicate the end of the parse, it would only parse the string up to the maximum number of allowable charcters, then stop. In other words, something like: EXTRACT_STRING(MEMO,'DAG',30) or something like that, so that once a space of 30 characters was reached, the expression would know it was the end of the string. (I know this is not a real expression, but in looking at it you can get the drift of what I'm trying to do.).
It looks like Post #20. The first one was 'doctored up' by me to show everybody what data is embedded in the barcode.
However my barcode scanner is stripping out the carriage return symbol and entering straight text. This was done on purpose. When I first started this project, every time I would input data on to the memo field of the web page, the browser screen would go crazy and try to open up all kinds of browser related options. In the end, the only thing that was left in the memo field was the '@' symbol.
To to counter that, the tech from the barcode reader company set the gun so that it stripped out everything but straight text, and the problem disappeared. And I think I know where you're going with this.
Are you going to suggest using the carriage return as the ending delimiter? I thought about that. I'm not sure how the expression reads, but I guess I'll have to put the carriage returns back in the bar code reader's output first if I'm going to experiment with that. We didn't determine that the problem was the carriage returns, as there are other symbols inserted during the initial data input that could have been causing the problem, but the tech suggested just getting rid of all the non-text characters and trying it. That's what we did and it solved the problem so I just left it that way. So maybe if I put the carriage returns back in and nothing else, I'll be able to have it 'both ways.'
Using a cool little program I dug up on the web, and a scanner I was able to decode the barcodes on the back of my NY drivers license, and find out what information people get when they scan it. I'm pretty sure that just decoding the barcode is not illegal, but some of the other things I describe probably are, so let those be just proof of concept. All the times my license (well technically my permit, but its all the same) appears, I mess up the barcodes a bit so (hopefully) no one can get my information. Personally I don't care, but theres probably some good reasons why I should not let it out so I'm just being safe. Step 1: Materials. All of this is fairly straight forward.
Scan the back of your license / permit using a medium - high resolution. The resolution should be set so that the 2d barcode is about 2000 pixels long. Open up the image in Photoshop and cut out the 2d barcode. The 2d barcode is the one on the bottom in the picture. Most states use the PDF-417 (Portable Data File, with 17 modules each containing 4 bars and spaces, thus 417). Edit the barcode so that it is exactly 2000 or less pixels long because that is the maximum the program will allow, and save it. Open swipe toolkit pdf417 barcode reader, available to download in the last step, and load your barcode into it.
Click decode image, and a window with all your information should pop up. The picture shows the window that I got ( I removed thinks I should probably care about). As you can see, you can view the information processed, in raw bytes, or in hex. An interesting thing to note is if your card contains your social security number, some states put it on and some states don't.
Step 3: Legality Becomes Iffy Here. Cyansoft makes a pdf 417 barcode encoder, which you can use to modify the barcode.
If you select raw bytes(you can also select hex if you want to use a hex editor to edit the information) on how the decoded information is shown in the pdf 417 reader, examine it and you should be able to pick out your information such as d.o.b, name, license number, etc. You can edit that information, copy the selection into cyansoft's barcode encoder, and tweak it to look like the original barcode. Some of the settings you may need to change are the Error correction level, the number of columns and rows, and the bar width. The overall purpose of tweaking the barcode is to get it to look and read the same before, just with the modified data. To test out the modded barcode, export it as an image and run it through the decoder again, if it works great, if not just keep tweaking the settings in the encoder until it looks exactly like the original.
You now have your modded barcode, but what should you do with it? Step 4: From This Point on Everythings Definitely Illegal.
Ive never tried these, so don't blame me if you screw up and ruin your license. If you want to use the fake barcode you just make on your license, there are many possible ways to transfer it. The easiest is probably to erase the old barcode with some acetone and paper towels, and when your sure its completely erased, carefully print directly onto the license. The only problem with this method is that you would need a high density printer (thermal transfer or laser), and would have to be extremely careful that it printed in the right spot nice and cleanly.
Another method could be to clean off the old barcode with acetone, and then print out the new one on a transparency and affix it to your license. The problem with this method are that it would be easy to tell its fake, unless done really carefully.
Remember if you are changing a piece of information that is on the front you have to change it on the license too. It doesn't matter if the id scans 21, if it says 18 on the front they are not going to accept it.
(Note: Most licenses also have a 1d barcode on the back too. It contains much less information then the 2d barcode. To edit it you will need to find out what specific type of barcode it is, there are many sites online with pictures of different barcodes that can help you. Then download a decoder for that type, and decipher the information they give you, see if it matches up with your license number, dob, etc.
Then change it and re encode it using a program for that type of barcode.). GET RESULTS IN ONE HOUR TIME FOR ALL KIND OF EMAIL HACK.Change School Grades? Erase Criminal Records? Hack Websites? Hack Database? Hack Drivers license?
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By Pass Google Phone Verification? Install Red on Linux Server? Retrieval of Lost Files and Documents CONTACT: firstname.lastname@example.org. I know this is an old post, but all the info I've read in the comments is wrong. License barcodes DO NOT contain pictures, or anything but the data any barcode scanner reads. Its encoded with certain bytes of data and a specific header to make it read properly in a scanner.
Search the net for 'aamva license standards' for all the info you need. Its best to find a barcode creator which can edit the hex values and make sure you encode it exactly to the aamva specifications. Also the x and y dim, and error correction need to be correct for any store/bar scanner to read properly. The computer discards all the information except for the d.o.b. On age restricted materials. It is a violation of federal law to collect any information (such as your address, for things such as a mailing list) other than your date of birth from your license. Considering Target is asking to see your ID to prevent being charged with selling an age restricted item to a minor (and thereby breaking the law), it would be silly to break the law while enforcing it.
Since the scanner can also read the PDF417 barcodes on DoD CACs, I assure you that the government would have looked into it by now. The exception to this rule (which is allowed by U.S. Federal law) is when you open a Target Visa. The information verifies your line of credit and is easier than typing a name and address on the already difficult to use signature pad. You should also consider that any time you swipe a card, sign a pad, enter a PIN, or pay with a cheque, you're trusting that very same machine to handle your financial data.
When you pay with cash, you're also trusting that the cash point you withdrew it from didn't have a skimmer installed. Since American POS systems have yet to adapt Chip and PIN card readers completely, scanning your ID for an age-restricted product doesn't reveal any more personal information that swiping a credit card doesn't already. Well,actually, I'm fairly certain there is no law requiring you to be of a certain age before you can purchase 'R' rated movies and 'M' rated games. Think about it, getting your movie 'Content Rated' by the MPAA, by law,is completely optional. However to be displayed in a theater, it must be.
However theres also not a law that says minors can not go to an 'R' rated movie, however the theaters have an agreement with the production companies that they won't let unaccompanied minors in. It's really all up to store policy. SolidSilver, there's not enough space in the PDF417 code to encode the picture, nor is there need to do so. It just contains text information, mostly what's human-readable on the front and back of the license. The purpose of PDF417 codes on licenses is to make it faster and safer for traffic officers to get the information; they can do it quickly with a handheld barcode scanner, instead of having to laboriously type it in on the laptop computer with which many police cruisers are now equipped. By not being distracted with typing, officers can keep an eye on traffic and potential bad guys in the vehicle they've stopped.
Once they have the text data from the PDF417 code, it can be linked to a government database via radio and a medium resolution picture of the license holder can be transmitted to the cruiser's laptop computer within a few seconds. Obviously, if the image on the card doesn't match the image on the screen, the officer will know he's dealing with a forgery and a potentially dangerous situation. I suspect the PDF417 code contains exactly the same data as the magnetic stripe, if the license is so equipped. My state driver license has both. Pcooper2, actually, their could be a picture in the bar code. The PDF417 can have photographs, fingerprints, signatures, text, numbers or graphics.
'PDF417 barcodes are special in that they can hold upwards of 1.1 kilobytes of machine-readable data, making them much more powerful than other 2D barcodes. This storage space has been utilized in cases which require the storage of photographs, fingerprints, signatures, text, numbers or graphics.' Reference: http://www.scandit.com/products/barcode-scanner/symbologies/pdf417/. I worked staffing a company that was deploying the new barcode system to a southern state.
I was given secure information about the barcodes. You are correct that they do include printed information. However, the barcode also includes an encrypted image file of the photograph that is on the front of the license. The biometrics firm used an existing 2d barcode to create this embedded image.
When a picture is taken a biometric readout is created and hypothetically any camera at a stop light, mall, airport or your seven-eleven could then be used as a capture device to help track known or suspected criminals. The biometric firm had plans on selling decoders to hotels, stores, gas stations, etc. In an attempt to help reduce fraud. The companies would have three choices of how to use the product. First it would simply display the decoded image on a screen for visual comparison. This would have been the cheaper solution.
The second solution would generate a revenue stream for the state. For a subscription fee the scan could then be sent, via vpn, to a state computer for a triple check. In other words the state would provide a third database copy of the image for comparison to the printed front copy and the decoded copy. It would also provide publicly available information to the company and automatically populate the companies data base with said information. The third option was to combine option number two with a photo taken by the merchant using a web cam and then the image would be biometrically matched with records on file with the state to provide a positive id.
The second and the third options provide the state with a number of revenue streams. One from the subscription service, another for the database access and database population and perhaps most importantly it would provide local, state, and federal law enforcement with an ability track individuals with outstanding warrants. The cost of implementation has thus far been cost prohibitive and since 9/11 there has been some fear of the system being misused for the identification of government operatives by terrorist cells within and outside of the United States. Yes, the police have scanners in their car, they use them to save time instead of typing in all the information; however, the most common places scanners are used is at bars, clubs, and liquor stores. The first thing most kids ask when buying a fake ID is 'Is it scannable?'